diff --git a/package-lock.json b/package-lock.json
index c21056a8..47a1841f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -34,7 +34,7 @@
         "mocha": "^10.4.0",
         "prettier": "^3.2.5",
         "ts-loader": "^9.5.1",
-        "typescript": "^5.4.5",
+        "typescript": "^5.5.4",
         "vscode-extension-tester": "^8.3.0",
         "vscode-tmgrammar-test": "^0.1.3",
         "webpack": "^5.91.0",
@@ -8020,9 +8020,9 @@
       }
     },
     "node_modules/typescript": {
-      "version": "5.4.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.5.tgz",
-      "integrity": "sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==",
+      "version": "5.5.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
+      "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
       "dev": true,
       "bin": {
         "tsc": "bin/tsc",
@@ -14849,9 +14849,9 @@
       }
     },
     "typescript": {
-      "version": "5.4.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.5.tgz",
-      "integrity": "sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ==",
+      "version": "5.5.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.5.4.tgz",
+      "integrity": "sha512-Mtq29sKDAEYP7aljRgtPOpTvOfbwRWlS6dPRzwjdE+C0R4brX/GUyhHSecbHMFLNBLcJIPt9nl9yG5TZ1weH+Q==",
       "dev": true
     },
     "uc.micro": {
diff --git a/package.json b/package.json
index 8b76c97d..34684a37 100644
--- a/package.json
+++ b/package.json
@@ -767,7 +767,7 @@
     "mocha": "^10.4.0",
     "prettier": "^3.2.5",
     "ts-loader": "^9.5.1",
-    "typescript": "^5.4.5",
+    "typescript": "^5.5.4",
     "vscode-extension-tester": "^8.3.0",
     "vscode-tmgrammar-test": "^0.1.3",
     "webpack": "^5.91.0",